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NIOSH Mining Web Based Training

Ergonomics and Risk Factor Awareness

PDF version 9.3 MB
 Up Controlling risk factors

Engineering Controls to Reduce Risk Factors

Use Engineering Controls to reduce or eliminate Risk Factor exposures by:

  • redesigning workstations
  • modifying work methods
  • purchasing tools and equipment with ergonomic features
  • redesigning work layouts
  • improving maintenance access
  • improving environmental conditions

Hydraulic lift installed on a dragline improves access and eliminates climbing a vertical ladder.
Hydraulic lift installed on a
dragline improves access
and eliminates climbing a vertical ladder.
Water pump switch in a water truck was moved from the dash and relocated to the center console, which eliminates unnecessary reaching to operate the switch.
Water pump switch in a water truck
was moved from the dash and relocated
to the center console, which
eliminates unnecessary reaching
to operate the switch.
Small lifting table is used to hold parts when repairing equipment.
Small lifting table is used
to hold parts when repairing equipment.
Light-weight welding helmets (right) reduce the effort needed to hold your head in a bent position while welding.
Light-weight welding helmets (right)
reduce the effort needed to hold
your head in a bent position while welding.
Scissors-lift table is used to position and work on parts when repairing equipment.
Scissors-lift table is used
to position and work on parts
when repairing equipment.
Tractor with a cable attachment is used to move dragline cable when positioning the dragline.
Tractor with a cable attachment
is used to move dragline cable
when positioning the dragline.
Armrests can be adjusted so the workers arms are supported and placed in a comfortable position.
Armrests can be adjusted so
the worker's arms are supported
and placed in a comfortable position.
Anti-fatigue mats placed in high traffic areas improve walking conditions and reduce fatigue.
Anti-fatigue mats placed in high
traffic areas improve walking
conditions and reduce fatigue.
Adjustable joysticks can be placed close to the operator, which improves postures and eliminates reaching for the controls.
Adjustable joysticks can be placed close
to the operator, which improves postures
and eliminates reaching for the controls.
Magazine sidewalks eliminate the uneven walking surfaces while moving blasting supplies.
Magazine sidewalks eliminate the
uneven walking surfaces while
moving blasting supplies.
Heavy pneumatic wrench is attached to a counterbalance weight and suported by an overhead crane when changing the cutting edges on a blade.
Heavy pneumatic wrench is attached to
a counterbalance weight and suported
by an overhead crane when changing
the cutting edges on a blade.